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热变形对含铌奥氏体不锈钢07Cr18Ni11Nb再结晶行为的影响

Shu Wei,Song Liqiang,Zhang Wei

Heat Treatment of Metals（2022）

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Abstract
采用热模拟压缩及中试热轧的试验方法,研究了热变形对含铌奥氏体不锈钢07Cr18Ni11Nb再结晶行为的影响.结果表明:热压缩变形时,试验钢再结晶程度随变形温度、变形量的升高以及变形后保温时间的延长逐渐增大;变形温度越高、变形量越大,发生再结晶所需的保温时间越短;保温时间越长,再结晶晶粒长大越明显;轧制变形时,热轧板1/4厚度处更容易发生再结晶,随着轧制温度和变形量的升高,1050℃轧制变形25％时可在全厚度获得完全再结晶组织.
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